diff --git a/build/api/module/Excel.php b/build/api/module/Excel.php
index 7540023..488d164 100644
--- a/build/api/module/Excel.php
+++ b/build/api/module/Excel.php
@@ -72,7 +72,15 @@ class Excel
 				 * declaring the lambda tha twill extract the list of formation involved in the group
 				 */
 				$getFormations = function(?string $group) use (&$formation,&$allFormations) : array{
-					if(!$group) return [$formation];
+					if(!$group){
+						if(!isset($allFormations[$formation])){
+							$allFormations[$formation] = [
+								"name" => $formation,
+								"internal" => 1
+							];
+						}
+						return [$formation];
+					}
 
 					//replace the generic "INFO" keyword by the actual formation
 					$group = str_replace("INFO",$formation,$group);
@@ -280,9 +288,9 @@ class Excel
 						foreach ($UE["groups"] as $type => $groups){
 							foreach ($groups as $group){
 								$formations = [];
-								foreach ($group["formations"] as $form){
-									if(isset($allFormations[$form]["dbId"])){
-										$formations[] = $allFormations[$form]["dbId"];
+								foreach ($group["formations"] as $format){
+									if(isset($allFormations[$format]["dbId"])){
+										$formations[] = $allFormations[$format]["dbId"];
 									}
 								}
 
@@ -306,14 +314,12 @@ class Excel
 											$formations);
 										break;
 								}
+
 							}
 						}
-
 					}
 				}
 
-
-
 				return [ 'data' => ["professors" => $allProf, "formations" => $allFormations, "UEs" => $allUE ] ];
 			}catch (Exception $e){
 				return [ 'error' => new Error(Err::UnknownError) ];